GNU LibreDWG 0.7/0.7.1645 dwg_dxf_LTYPE null pointer dereference

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in GNU LibreDWG 0.7/0.7.1645. This vulnerability affects the function dwg_dxf_LTYPE. Executing a manipulation can lead to null pointer dereference. This vulnerability appears as CVE-2019-9776. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability has been found in GNU LibreDWG 0.7/0.7.1645 (Image Processing Software) and classified as problematic. This vulnerability affects the function dwg_dxf_LTYPE. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability. CVE summarizes:

An issue was discovered in GNU LibreDWG 0.7 and 0.7.1645. There is a NULL pointer dereference in the function dwg_dxf_LTYPE at dwg.spec (later than CVE-2019-9779).

The bug was discovered 03/12/2019. The weakness was presented 03/14/2019 (Website). The advisory is shared for download at securityfocus.com. This vulnerability was named CVE-2019-9776 since 03/14/2019. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

See VDB-131730, VDB-131723, VDB-131724 and VDB-131725 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/12/2019 🔍
03/14/2019 +2 days 🔍
03/14/2019 +0 days 🔍
03/14/2019 +0 days 🔍
08/01/2023 +1601 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: 99⛔
Status: Not defined

CVE: CVE-2019-9776 (🔍)
GCVE (CVE): GCVE-0-2019-9776
GCVE (VulDB): GCVE-100-131728
SecurityFocus: 107447

See also: 🔍

Entryinfo

Created: 03/14/2019 14:11
Updated: 08/01/2023 11:58
Changes: 03/14/2019 14:11 (55), 05/16/2020 16:30 (2), 08/01/2023 11:58 (5)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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